Aerospace Engineering > GATE 2022 > Complex Numbers
Let x be a real number and i = √-1. Then the real part of cos(ix) is
Correct : b
Similar Questions
If i=√-1, (i+1)3/(i-1)=
If → denotes increasing order of intensity, then the meaning of the words dry → arid → parched is analogous to diet → fast → ______. Which one of the given opt...
If two positive non-zero real variables x and y are such that (x+y) is proportional to x/y, then x+y:
Total Unique Visitors
Loading......